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java很给力逆序用了Colletcions.reverse();/** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; ... 阅读全文
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ref:http://www.cnblogs.com/happyPawpaw/archive/2013/01/18/2865957.html注释很清楚的,import java.util.LinkedList;import java.util.Queue;import java.util.concu... 阅读全文
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1 import java.util.concurrent.TimeUnit; 2 3 4 public class Example2 { 5 6 /** 7 * @param args 8 */ 9 public static void main(Str... 阅读全文
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1 import java.util.ArrayList; 2 3 class Manager 4 { 5 private String name; //经理的名字 6 public Manager(String string) { 7 name=s... 阅读全文
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ref: http://blog.csdn.net/fengzhe0411/article/details/7187905迭代器模式我们在jdbc,和容器中经常用到。每个容器要想遍历的时候,我们会调用xxx.iterator();返回迭代器。首先我们先看看迭代器接口1 Method Summary2... 阅读全文